Home / 7,864.64-11,799.12-2,670.56

Finding the Fourth Proportional to 7,864.64, 11,799.12 and 2,670.56

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Solution

The fourth proportional to 7,864.64, 11,799.12 and 2,670.56 is: 4,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.64 : 11,799.12 = 2,670.56 : x
  2. Step 2: Convert to fraction form
    7,864.64/11,799.12 = 2,670.56/x
  3. Step 3: Cross multiply
    7,864.64x = 11,799.12 × 2,670.56
  4. Step 4: Simplify right side
    7,864.64x = 31,510,257.91
  5. Step 5: Solve for x
    x = 31,510,257.91/7,864.64
  6. Step 6: Final answer
    x = 4,006.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.